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AME1300HEQA300 参数 Datasheet PDF下载

AME1300HEQA300图片预览
型号: AME1300HEQA300
PDF下载: 下载PDF文件 查看货源
内容描述: AME1300 300毫安CMOS LDO具有复位功能 [AME1300 300mA CMOS LDO with RESET Function]
分类和应用:
文件页数/大小: 11 页 / 164 K
品牌: AME [ ANALOG MICROELECTRONICS ]
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AME, Inc.  
300mA CMOS LDO with RESET Function  
AME1300  
n Detailed Description  
The AME1300 is a combination of a fixed output, low  
drop-out regulator and microprocessor monitor. Unlike  
bipolar regulators, the AME1300 supply current does not  
increase with load current. In addition,VOUT remains stable  
andwithin regulation at very low load currents(an impor-  
tant consideration in RTC and CMOS RAM battery back-  
up applications) as well as with any type of capacitor  
(see below). AME1300 pin functions are detailed below:  
RESET  
C1  
RESET  
VOUT  
VDET  
VDET  
VIN  
C1  
1µF  
2.2µF  
+
1300  
GND  
NC  
EN  
Battery  
Bypass  
CBypass  
(Option)  
EN Control  
(from Power  
Control Logic)  
470pF  
n Pin Description  
Pin #  
Pin Name  
Pin Description  
RESET output remains low while VDET is below the reset voltage  
threshold, and for 300msec VDET rises above reset theshold.  
1
RESET  
Regulated Voltage Output.  
Ground Terminal.  
2
3
4
VOUT  
GND  
Reference Bypass Input. Connecting a 1000pF to this input further  
reduces output noise.  
Bypass  
Shutdown Control Input. The regulator is fully enabled when a logic  
high is applied to this input. The regulator enters shutdown when a  
logic low is applied to this input. During shutdown, regulator output  
5
EN  
voltage falls to zero, RESET output remains valid and supply current  
is reduced to 10 A (typ.)  
µ
No connect.  
6
7
8
NC  
VIN  
Power Supply Input.  
Detected input Voltage. VDET and VOUT can be connected together.  
VDET  
6